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Finding the Fourth Proportional to 41,287.35, 61,931.03 and 11,705.44

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Solution

The fourth proportional to 41,287.35, 61,931.03 and 11,705.44 is: 17,558.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,287.35 : 61,931.03 = 11,705.44 : x
  2. Step 2: Convert to fraction form
    41,287.35/61,931.03 = 11,705.44/x
  3. Step 3: Cross multiply
    41,287.35x = 61,931.03 × 11,705.44
  4. Step 4: Simplify right side
    41,287.35x = 724,929,955.80
  5. Step 5: Solve for x
    x = 724,929,955.80/41,287.35
  6. Step 6: Final answer
    x = 17,558.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.